CN217302494U - Oil gas recovery device - Google Patents
Oil gas recovery device Download PDFInfo
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- CN217302494U CN217302494U CN202221240040.XU CN202221240040U CN217302494U CN 217302494 U CN217302494 U CN 217302494U CN 202221240040 U CN202221240040 U CN 202221240040U CN 217302494 U CN217302494 U CN 217302494U
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- valve
- oil
- gas recovery
- straight rod
- oil gas
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Abstract
The application discloses vapor recovery system device, including vapor recovery adsorption tower, oil storage container, recovery pipeline, back-fire relief valve and check valve. The air inlet end of the oil gas recovery adsorption tower is communicated with the air outlet end of the oil storage container through a recovery pipeline, a fire retardant valve and a one-way valve are arranged on the recovery pipeline, and the one-way valve is used for preventing oil gas in the oil gas recovery adsorption tower from flowing backwards or leaking through the recovery pipeline. The application provides an oil gas recovery device sets up the check valve on the recovery pipeline, can make the oil gas in the oil storage container can only flow to the oil gas recovery adsorption tower, can not take place the refluence, has avoided sending out the oil platform oil gas recovery adsorption tower to pass through the recovery pipeline gas leakage when not sending out oil simultaneously to the oil gas security has effectively been increased.
Description
Technical Field
The application relates to the technical field of chemical equipment, in particular to an oil gas recovery device.
Background
During the oil storage, transportation and loading and unloading operation, volatile oil gas needs to be recovered, and the recovered volatile oil gas in the oil storage, transportation and loading and unloading operation can not only effectively prevent fire or explosion caused by overhigh oil gas concentration, but also change the volatile oil gas into valuable and recycle the volatile oil gas.
The oil gas recovery adsorption tower is oil gas recovery unit's core equipment, at present, is provided with the control valve on the recovery pipeline that oil gas recovery adsorption tower and oil storage container are connected, and this control valve only just can open when oil storage container carries oil gas to the oil gas recovery adsorption tower, nevertheless passes through long-time experimental detection, and the control valve is difficult to reach the purpose of cutting off completely, often takes place oil gas refluence and send out the oil platform problem of leaking gas when not sending out oil.
SUMMERY OF THE UTILITY MODEL
In view of this, the present application provides an oil gas recovery device to solve the above technical problems.
The application provides an oil gas recovery device, including oil gas recovery adsorption tower, oil storage container, recovery pipeline and back-fire relief valve, the inlet end of oil gas recovery adsorption tower and the end of giving vent to anger of oil storage container pass through the recovery pipeline intercommunication, the back-fire relief valve has been installed on the recovery pipeline, the check valve has still been installed to the recovery pipeline, the check valve is used for preventing the oil gas in the oil gas recovery adsorption tower to pass through the recovery pipeline refluence.
Optionally, the check valve comprises a valve body, a valve cover, a valve clack, a compression spring, an insulating column, an elastic ring, a gland and a guide straight rod;
the valve body is provided with a valve cavity with two open ends, and the inner wall of the valve cavity close to the air inlet end is circumferentially provided with a sealing step;
the valve cover is arranged at the air outlet end of the valve body, and an insulating column is arranged in the center of the end face of the valve cover, which is positioned in the valve cavity;
one end of the guide straight rod is connected with the insulating column, and the other end of the guide straight rod is positioned between the sealing step and the air inlet end of the valve cavity;
the gland is arranged at the end part of the guide straight rod close to the air inlet end of the valve cavity;
the valve clack is slidably sleeved on the part of the guide straight rod between the gland and the insulating column;
the compression spring is sleeved on the part of the guide straight rod between the valve clack and the insulating column, and when the compression spring is in different compression states, the valve clack is attached to the sealing step in a sealing mode or is separated from the sealing step;
the elastic ring is fixedly arranged on the end face, away from the compression spring, of the valve clack and is in sliding fit with the guide straight rod.
Optionally, the outer annular surface of the elastic ring and the outer annular surface of the valve clack are axially collinear, and the inner annular surface of the elastic ring is in sealing sliding fit with the guide straight rod.
Optionally, the elastic ring is made of tetrachloroethylene.
Optionally, the valve body, the valve clack, the compression spring, the valve cover, the gland and the guide straight rod are all made of 304 stainless steel.
Optionally, the insulating column is made of tetrachloroethylene.
Optionally, a first threaded hole is formed in the center of the valve cover, a first external thread in threaded fit with the first threaded hole is formed in the lower end of the insulating column, a second threaded hole is formed in the upper end of the insulating column, and a second external thread in threaded fit with the second threaded hole is formed in the guide straight rod.
Optionally, the gland is integrally formed with the upper end of the guide straight rod or is in threaded connection with the upper end of the guide straight rod.
The beneficial effect of this application:
the application provides an oil gas recovery device adds the check valve on the recovery pipeline, can make the oil gas in the oil storage container can only flow to the oil gas recovery adsorption tower, can not take place the refluence, has avoided sending out the oil platform oil gas recovery adsorption tower to pass through the recovery pipeline gas leakage when not sending out oil simultaneously to the oil gas security has effectively been increased. The valve clack sets up the elastic ring of tetrachloroethylene material on the contact surface with sealed step, both can increase the gas tightness of valve clack and sealed step contact surface, can absorb the sound that oil gas strikes the valve body production simultaneously, produces noise cancelling effect. The insulating column that adopts tetrachloroethylene both can play the effect of installation compression, can completely cut off insulating column and valve gap simultaneously, prevents to rub between insulating column and the valve gap and produces static and heat.
Drawings
Fig. 1 is a schematic structural diagram of an oil and gas recovery device according to an embodiment of the present application.
FIG. 2 is a schematic view showing the internal structure of the check valve of FIG. 1;
the oil gas recovery adsorption tower comprises an oil gas recovery adsorption tower 10, an oil storage container 20, a recovery pipeline 30, a fire retardant valve 40, a one-way valve 50, a valve body 51, a valve cover 52, a valve clack 53, a compression spring 54, an insulating column 55, an elastic ring 56, a gland 57 and a guide straight rod 58.
Detailed Description
The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals.
Referring to fig. 1 and 2, the present application provides an oil gas recovery device, which includes an oil gas recovery adsorption tower 10, an oil storage container 20, a recovery pipeline 30, a fire retardant valve 40, and a check valve 50.
Wherein, the inlet end of oil gas recovery adsorption tower 10 and the end of giving vent to anger of oil storage container 20 pass through the recovery pipeline 30 intercommunication, and recovery pipeline 30 facial make-up is equipped with back-fire relief valve 40 and check valve 50, and check valve 50 is used for preventing the oil gas in the oil gas recovery adsorption tower 10 to pass through recovery pipeline 30 refluence or reveal.
The application provides a pair of oil gas recovery device adds check valve 50 on recovery pipeline 30, can make the oil gas in the oil storage container 20 can only flow to oil gas recovery adsorption tower 10, can not take place the refluence, has avoided sending out the oil platform simultaneously and has leaked gas through recovery pipeline 30 when not sending out oil to effectively increased the oil gas security.
Based on the requirements for safety and sealing of the check valve 50, in an alternative embodiment of the present application, the structure of the check valve 50 is modified, specifically:
as shown in fig. 2, the check valve 50 includes a valve body 51, a valve cover 52, a valve flap 53, a compression spring 54, an insulating column 55, an elastic ring 56, a gland 57, and a guide straight rod 58;
the valve body 51 is provided with a valve cavity with two open ends, and the inner wall of the valve cavity close to the air inlet end is circumferentially provided with a sealing step;
in the application, the inlet end and the outlet end of the valve cavity are both cylindrical structures, and the inlet end and the outlet end of the valve cavity form a gradually expanding cylindrical structure from the central plane of the valve cavity to the central plane of the valve cavity.
The valve cover 52 is arranged at the air outlet end of the valve body 51, and the center of the end surface of the valve cover 52 in the valve cavity is provided with an insulating column 55;
one end of the guide straight rod 58 is connected with the insulating column 55, and the other end of the guide straight rod 58 is positioned between the sealing step and the air inlet end of the valve cavity; the gland 57 is arranged at the end part of the guide straight rod 58 close to the air inlet end of the valve cavity; the valve clack 53 is slidably sleeved on the part of the guide straight rod 58 between the gland 57 and the insulating column 55; the compression spring 54 is sleeved on the part of the guide straight rod 58 between the valve clack 53 and the insulating column 55, and when the compression spring 54 is in different compression states, the valve clack 53 is in sealing adhesion with the sealing step or is separated from the sealing step; the elastic ring 56 is fixedly arranged on the end face of the valve clack 53 departing from the compression spring 54 and is in sliding fit with the guide straight rod 58.
Optionally, when the compression spring 54 is in a compressed state, the valve flap 53 is separated from the sealing step, when the compression spring 54 is in a relaxed compression state, the valve flap 53 is hermetically attached to the sealing step, and the elasticity of the compression spring 54, the compression amount in the compressed state, and the compression amount in the relaxed compression state can be determined according to the pressure generated by oil gas recovery when the oil storage container 20 releases oil.
Optionally, the outer annular surface of the elastic ring 56 and the outer annular surface of the valve flap 53 are axially collinear, the inner annular surface of the elastic ring 56 is in sealing sliding fit with the guide straight rod 58, the elastic ring 56 is made of tetrachloroethylene, and the valve body 51, the valve flap 53, the compression spring 54, the valve cover 52, the gland 57 and the guide straight rod 58 are all made of 304 stainless steel.
The valve clack 53 sets up the elastic ring 56 of tetrachloroethylene material on the contact surface with sealed step, both can increase the gas tightness of valve clack 53 and sealed step contact surface, can absorb the sound that oil gas strikes valve body 51 production simultaneously to the purpose of making an uproar falls in the realization.
Optionally, the insulating column 55 is made of tetrachloroethylene, and the insulating column 55 can play a role in mounting the compression spring 54, and can isolate the guide straight rod 58 from the valve cover 52, so that static electricity and heat generated by friction between the guide straight rod 58 and the valve cover 52 are prevented.
In an alternative embodiment of the present application, the valve cap 52 is provided with a first threaded hole at the center, the lower end of the insulating column 55 is provided with a first external thread which is in threaded engagement with the first threaded hole, the upper end of the insulating column 55 is provided with a second threaded hole, and the guiding straight rod 58 is provided with a second external thread which is in threaded engagement with the second threaded hole.
Optionally, the pressing cover 57 is integrally formed with the upper end of the guide straight rod 58 or is in threaded connection with the upper end of the guide straight rod 58, the pressing cover 57 and the insulating column 55 are in threaded connection, and the mounting mode is simple and low in cost.
The technical solutions of the present application are described in detail with reference to specific embodiments, which are used to help understand the ideas of the present application. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present application also belong to the protection scope of the present application.
Claims (8)
1. The utility model provides an oil gas recovery device, includes oil gas recovery adsorption tower (10), oil storage container (20), recovery pipeline (30) and back-fire relief valve (40), the inlet end of oil gas recovery adsorption tower (10) and the end of giving vent to anger of oil storage container (20) are through recovery pipeline (30) intercommunication, recovery pipeline (30) facial make-up is equipped with back-fire relief valve (40), its characterized in that:
the oil gas recovery adsorption tower is characterized in that the recovery pipeline (30) is also provided with a one-way valve (50), and the one-way valve (50) is used for preventing oil gas in the oil gas recovery adsorption tower (10) from flowing backwards or leaking through the recovery pipeline (30).
2. An oil and gas recovery device according to claim 1, characterized in that: the check valve (50) comprises a valve body (51), a valve cover (52), a valve clack (53), a compression spring (54), an insulating column (55), an elastic ring (56), a gland (57) and a guide straight rod (58);
the valve body (51) is provided with a valve cavity with two open ends, and a sealing step is arranged on the circumferential direction of the inner wall of the valve cavity close to the air inlet end of the valve cavity;
the valve cover (52) is arranged at the air outlet end of the valve body (51), and an insulating column (55) is arranged in the center of the end face, positioned in the valve cavity, of the valve cover (52);
one end of the guide straight rod (58) is connected with the insulating column (55), and the other end of the guide straight rod (58) is positioned between the sealing step and the air inlet end of the valve cavity;
the gland (57) is arranged at the end part of the guide straight rod (58) close to the air inlet end of the valve cavity;
the valve clack (53) is slidably sleeved on the part of the guide straight rod (58) between the gland (57) and the insulating column (55);
the compression spring (54) is sleeved on the part, located between the valve clack (53) and the insulating column (55), of the guide straight rod (58), and when the compression spring (54) is in different compression states, the valve clack (53) is in sealing contact with a sealing step or is separated from the sealing step;
the elastic ring (56) is fixedly arranged on the end face, away from the compression spring (54), of the valve clack (53) and is in sliding fit with the guide straight rod (58).
3. An oil and gas recovery device according to claim 2, characterized in that: the outer annular surface of the elastic ring (56) and the outer annular surface of the valve clack (53) are axially collinear, and the inner annular surface of the elastic ring (56) is in sealing sliding fit with the guide straight rod (58).
4. An oil and gas recovery device according to claim 3, characterized in that: the elastic ring (56) is made of tetrachloroethylene.
5. An oil and gas recovery device according to claim 3, characterized in that: the valve body (51), the valve clack (53), the compression spring (54), the valve cover (52), the gland (57) and the guide straight rod (58) are all made of 304 stainless steel.
6. An oil and gas recovery device according to claim 3, characterized in that: the insulating column (55) is made of tetrachloroethylene.
7. An oil and gas recovery device according to claim 2, characterized in that: the center of the valve cover (52) is provided with a first threaded hole, the lower end of the insulating column (55) is provided with a first external thread matched with the first threaded hole in a threaded mode, the upper end of the insulating column (55) is provided with a second threaded hole, and the guide straight rod (58) is provided with a second external thread matched with the second threaded hole.
8. The oil and gas recovery device according to claim 7, wherein: the gland (57) and the upper end of the guide straight rod (58) are integrally formed or are connected through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221240040.XU CN217302494U (en) | 2022-05-23 | 2022-05-23 | Oil gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221240040.XU CN217302494U (en) | 2022-05-23 | 2022-05-23 | Oil gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217302494U true CN217302494U (en) | 2022-08-26 |
Family
ID=82918072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221240040.XU Active CN217302494U (en) | 2022-05-23 | 2022-05-23 | Oil gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217302494U (en) |
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2022
- 2022-05-23 CN CN202221240040.XU patent/CN217302494U/en active Active
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